212222220011 has 8 divisors (see below), whose sum is σ = 215176163664. Its totient is φ = 209277730080.

The previous prime is 212222219971. The next prime is 212222220019. The reversal of 212222220011 is 110022222212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212222220011 - 2³⁰ = 211148478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212222220019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318216 + ... + 2408021.

It is an arithmetic number, because the mean of its divisors is an integer number (26897020458).

Almost surely, 2^212222220011 is an apocalyptic number.

212222220011 is a deficient number, since it is larger than the sum of its proper divisors (2953943653).

212222220011 is an equidigital number, since it uses as much as digits as its factorization.

212222220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4726861.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212222220011 its reverse (110022222212), we get a palindrome (322244442223).

The spelling of 212222220011 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred twenty thousand, eleven".